#include <stdio.h>
#include <winsock2.h> //该头文件需在windows.h之前
#include <windows.h>
#include <string>
#include <iostream>
#pragma comment(lib, "ws2_32.lib")
using namespace std;

void getIP()
{
    WSADATA WSAData;                          //WSADATA结构被用来储存调用AfxSocketInit全局函数返回的Windows Sockets初始化信息。
    if (WSAStartup(MAKEWORD(2, 0), &WSAData)) // 初始化Windows sockets API
    {
        printf("WSAStartup failed %s\n", WSAGetLastError());
        exit(-1); //异常退出
    }

    char hostName[256];
    if (gethostname(hostName, sizeof(hostName))) //获取主机名
    {
        printf("Error: %u\n", WSAGetLastError());
        exit(-1); //异常退出
    }
    printf("主机名：    %s\n", hostName);

    hostent *host = gethostbyname(hostName); // 根据主机名获取主机信息.
    if (host == NULL)
    {
        printf("Error: %u\n", WSAGetLastError());
        exit(-1);
    }

    cout << "主机地址类型:  " << host->h_addrtype << endl
         << "地址清单:   " << host->h_addr_list << endl
         << "别名列表:   " << host->h_aliases << endl
         << "地址长度:   " << host->h_length << endl
         << "正式的主机名:  " << host->h_name << endl;

    for (int i = 0; host->h_addr_list[i] != 0; i++)
    {
        cout << "该主机IP" << i + 1 << ":   " << inet_ntoa(*(struct in_addr *)*host->h_addr_list) << endl;
    }
    cout << "-----------------------------------------------" << endl;
    WSACleanup();
}
void getSysInfo()
{
    SYSTEM_INFO sysInfo; //该结构体包含了当前计算机的信息：计算机的体系结构、中央处理器的类型、系统中中央处理器的数量、页面的大小以及其他信息。
    OSVERSIONINFOEX osvi;
    GetSystemInfo(&sysInfo);
    osvi.dwOSVersionInfoSize = sizeof(osvi);
    if (GetVersionEx((LPOSVERSIONINFOW)&osvi))
    {
        printf("操作系统版本 :  %u.%u.%u\n", osvi.dwMajorVersion, osvi.dwMinorVersion, osvi.dwBuildNumber);
        printf("Service Pack :  %u.%u\n", osvi.wServicePackMajor, osvi.wServicePackMinor);
    }
    printf("处理器架构 :  %u\n", sysInfo.wProcessorArchitecture);
    printf("处理器级别 :  %u\n", sysInfo.wProcessorLevel);
    printf("处理器版本 :  %u\n", sysInfo.wProcessorRevision);
    printf("处理器掩码 :  %u\n", sysInfo.dwActiveProcessorMask);
    printf("处理器数量 :  %u\n", sysInfo.dwNumberOfProcessors);
    printf("处理器类型 :  %u\n", sysInfo.dwProcessorType);
    printf("页面大小 :   %u\n", sysInfo.dwPageSize);
    printf("应用程序最小地址 : %u\n", sysInfo.lpMinimumApplicationAddress);
    printf("应用程序最大地址 : %u\n", sysInfo.lpMaximumApplicationAddress);
    printf("虚拟内存分配粒度 : %u\n", sysInfo.dwAllocationGranularity);
    printf("OemId :    %u\n", sysInfo.dwOemId);
    printf("wReserved :   %u\n", sysInfo.wReserved);
}
int main()
{
    getIP();
    getSysInfo();
    return 0;
}